MAX2235EUP+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Frequency:	801 ~ 1000MHz
P1dB:	--
Gain:	26dB
Noise Figure:	--
RF Type:	ISM
Voltage - Supply:	2.7 V ~ 5.5 V
Current - Supply:	610mA
Test Frequency:	--
Package / Case:	20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package:	20-TSSOP-EP

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RF Amplifiers: MAX2235EUP+T Application Field and Working Principle

The MAX2235EUP+T is an integrated RF power amplifier IC from Maxim Integrated. It is specifically designed for use in the cellular handset and WCDMA infrastructure market, providing a cost-effective solution for a wide variety of power amplifier applications. This RF amplifier is ideal for use in applications such as portable wireless LAN access points, cellular handsets, and WCDMA base stations.The MAX2235EUP+T is a high-performing RF power amplifier with an integrated gain stage and predrivers. It uses a high-efficiency, dual-mode power control method to achieve a maximum output power of +27dBm with a low-voltage single-ended input drive. The amplifier also features an automatic gain-stepping capability, which allows the power control loops to operate in both the linear and digital control modes for maximum flexibility and performance. In addition, the device includes a power management system that allows for flexible power usage and enables efficient control of the device in both standby and active modes.The MAX2235EUP+T provides several key features that make it well-suited for broad-based cellular applications. It is designed to support the cellular frequency band from 824-849MHz and offers 48dB of gain control with direct digital control. The device also features excellent harmonic and signal-to-noise performance, providing a superior solution for a cost-effective RF power amplifier. In terms of its working principle, the MAX2235EUP+T utilizes a high-efficiency, linear, direct-drive power amplifier design that provides a high gain with a wide bandwidth. The device uses a constant single-ended input drive and automatically adjusts the gain to match the required output power with a low-voltage single-ended input drive. This design allows for fast gain-step accuracy and a wide operating bandwidth without sacrificing linearity.The device also provides a high linearity mode that allows for a wide range of power levels with reduced distortion and improved efficiency. Additionally, the device includes an integrated charge pump that allows for a wide range of control for the power amplifier stages. The power control section features a digital output that provides both automatic gain-stepping control and enable/disable functions. Overall, the MAX2235EUP+T is an excellent RF power amplifier solution for a variety of applications, including cellular handsets, portable wireless LAN access points, and WCDMA base stations. The device is designed to provide best-in-class performance with its high gain, wide bandwidth, and low voltage single-ended input drive. The MAX2235EUP+T also offers excellent harmonic and signal-to-noise performance and a high linearity mode for improved efficiency. Moreover, it provides a highly flexible power management system for efficient control in both active and standby modes.

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